Brother MFC9480 image repeats in black

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  • axyun
    Service Manager

    Site Contributor
    1,000+ Posts
    • Aug 2007
    • 1323
    #1

    Brother MFC9480 image repeats in black

    When a page is printing using black the image is repeated a couple of times on page (ghosting). The customer installed a new drum unit which has new drum for each color but problem still occurs. The customer then printed a form which was all black but added the letter "r" in red. The document printed out perfectly though only one letter was in color and everything else was in black. Also if you copy that document and press color button you will get a perfect copy with no ghosting.
    I had posted this problem Friday but thought I may not have explained it properly so I am doing it again. Any help is appreciated. Frank/ActionPhotocopy
    Tags: aficio cl7300, blac, black, black toner, brother, brother mfc, color, customer, drum, ghosting, image, printing, unit
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22997
      #2
      Have you tried turning Off sleep mode? Perhaps the fuser is still too cool before it begins printing the image. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • axyun
          Service Manager

          Site Contributor
          1,000+ Posts
          • Aug 2007
          • 1323
          #3
          Nobody had the answer to this. My first guess would have been drum unit except that customer had already installed a new one with no satisfaction. You might think the fuser unit or transfer belt could cause the ghosting except why would it only happen on black and not colors.
          It turned out to be the black toner cartridge. Although it was an OEM cartridge it was causing the ghost images and when a new one was installed the prints were perfect. This may be helpful to anyone with a similar problem on any make machine as the fundamentals would remain the same.
          I had a similar problem on a Ricoh Aficio CL7300 where drum unit was changed and double imaging persisted. Now I know it was the toner and will call customer to let him know as he was going to use another machine. Hope this helps someone else someday. Frank/ActionPhotocopy

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22997
              #4
              Do you know if it's dual-component or mono-component developing? Dual-component would fit the scenario.

              Thanks for sharing, ax. =^..^=
              If you'd like a serious answer to your request:
              1) demonstrate that you've read the manual
              2) demonstrate that you made some attempt to fix it.
              3) if you're going to ask about jams include the jam code.
              4) if you're going to ask about an error code include the error code.
              5) You are the person onsite. Only you can make observations.

              blackcat: Master Of The Obvious =^..^=

                Comment

                • axyun
                  Service Manager

                  Site Contributor
                  1,000+ Posts
                  • Aug 2007
                  • 1323
                  #5
                  Don't know Blackcat but that's an interesting question. I'll put Watson on it. Frank

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